Sing a Song of Sex

During the exam, one of the boys spots a girl he finds attractive and identifies her only by her seat number, 469. This encounter triggers their collective obsession, which grows into disturbing fantasies about harming her. Their fixation represents the film's exploration of adolescent sexual curiosity twisted by repression and academic pressure, showing how anonymous attraction can escalate into troubling obsessions when channeled through restless, bored young minds.

February 11, 1967 marks the first time Japan celebrated National Foundation Day as an annual holiday. The film uses this specific historical date to frame its story, creating a contrast between the national symbolism of the holiday and the private preoccupations of the four students. This backdrop underscores the generational disconnect between civic ritual and youthful personal concerns.

In the restaurant scene, the drunk teacher Ōtake performs a bawdy song and explains that such songs can represent the voices of the oppressed. This line suggests that crude, taboo-breaking music serves as an outlet for those without formal power to express dissent. The song becomes the film's central motif, linking personal desire to broader social critique about authority and repression.

The film opens with stark red liquid dripping onto a red background, immediately establishing a provocative, unsettling tone. This graphic imagery foreshadows the dark themes to come, particularly the disturbing sexual fantasies the boys harbor. The visual sets a warning tone while also representing the intense, almost suffocating emotional atmosphere of the story.

While in Tokyo for their exams, the four boys openly mock an anti-Vietnam petition and a march protesting National Foundation Day's holiday status. This casual disrespect reflects their disengagement from political activism and the era's social issues. Their indifference highlights a broader theme of adolescent apathy and self-absorption, showing how national events feel irrelevant compared to their personal preoccupations.

The boys talk constantly about Number 469 and fantasize about a plan to rape her, revealing deeply troubling aspects of their desires. However, their imagined actions are repeatedly thwarted by their own impulses and the constraints of the moment. This pattern hints at the fragility of their moral control, they have the intention but lack the means or courage to follow through, leaving their obsession unresolved.

After hearing Ōtake perform the song, the four boys become smitten with it, and it transforms into the film's central musical theme. The song's raw, rebellious energy resonates with the characters' youthful restlessness and desire to break free from academic pressure. As a recurring motif, it ties together personal longing with broader themes of dissent and oppression, making music a vehicle for the film's social commentary.

Ōtake is the boys' high school teacher who joins them at the restaurant with three other high school girls. His drunken performance of the bawdy song bridges the gap between authority and youthful rebellion. By crossing this boundary, Ōtake becomes a catalyst for the boys' shift from private fantasies to shared social interaction, while his words about oppressed voices lend political weight to their otherwise self-focused revelry.

The film ends without clear resolution for the boys' obsessions and actions. Their fixation on Number 469 remains unresolved, and the trajectory of their revelry is left uncertain. This ambiguous ending reflects the film's dark, unsettling tone, suggesting that the consequences of their disturbing fantasies and a night of rebellion remain open, leaving viewers with unresolved tension rather than closure.

While the title references sexual themes, the film uses sex as a lens to explore broader adolescent struggles, curiosity, repression, rebellion, and the clash between personal desires and ethical boundaries. The bawdy song becomes the central metaphor tying these threads together, representing both sexual expression and political dissent. The title ultimately captures the film's examination of how youthful energy and frustration get channeled through taboo outlets.